- Spring actuated curtain-type fire damper with 2 1/4″ round connection for horizontal or vertical mount
- 2″ thin-line roll formed out-of-airstream frame
Round Thin-Line Out-of-Airstream 1 1/2 Hour Rated Fire Damper

3290 Lien St
Rapid City, SD 57702
2111 N Louise Cir
Sioux Falls, SD 57107